Home / 198,972.84-298,513.80-58,731.42

Finding the Fourth Proportional to 198,972.84, 298,513.80 and 58,731.42

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Solution

The fourth proportional to 198,972.84, 298,513.80 and 58,731.42 is: 88,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,972.84 : 298,513.80 = 58,731.42 : x
  2. Step 2: Convert to fraction form
    198,972.84/298,513.80 = 58,731.42/x
  3. Step 3: Cross multiply
    198,972.84x = 298,513.80 × 58,731.42
  4. Step 4: Simplify right side
    198,972.84x = 17,532,139,363.60
  5. Step 5: Solve for x
    x = 17,532,139,363.60/198,972.84
  6. Step 6: Final answer
    x = 88,113.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.